Home / 5,243.45-7,864.29-1,955.66

Finding the Fourth Proportional to 5,243.45, 7,864.29 and 1,955.66

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Solution

The fourth proportional to 5,243.45, 7,864.29 and 1,955.66 is: 2,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.45 : 7,864.29 = 1,955.66 : x
  2. Step 2: Convert to fraction form
    5,243.45/7,864.29 = 1,955.66/x
  3. Step 3: Cross multiply
    5,243.45x = 7,864.29 × 1,955.66
  4. Step 4: Simplify right side
    5,243.45x = 15,379,838.06
  5. Step 5: Solve for x
    x = 15,379,838.06/5,243.45
  6. Step 6: Final answer
    x = 2,933.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.